Murders Sum Up: Terrifying Unsolved Crimes

Across the US, there are serial killers who have never been caught and missing people who have never been found.



Some cold cases are finally solved after decades of meticulous detective work, while others remain a mystery.



This true-crime book details a collection of some of the most puzzling unsolved crimes ever committed. Some of them are truly shocking, including serial murder. Yet the perpetrators have never been identified. In some cases, they may still be walking the streets.